Find the product.(x + 4y)(2x - 3y)
A. 2x2 + 5xy + 5y2
B. x2 + 5xy - 12y2
C. x2 + 5xy + 5y2
D. 2x2 + 5xy - 12y2
Answer: D
Mathematics
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Graph the function. Then identify its domain and range.f(x) = -x2 + 5
A. Domain: (-?, ?); range: (-?, -5]
B. Domain: (-?, ?); range: (-?, 5]
C. Domain: (-?, ?); range: (-?, 0]
D. Domain: (-?, ?); range: [0, ?)
Mathematics
Use the quadrilaterals below to solve the problem.
Which of the quadrilaterals shown have sides of equal length? Name these quadrilaterals.
What will be an ideal response?
Mathematics
Find the exact value of the expression.csc-1
A. 
B. 
C. 
D. - 
Mathematics
Find the indicated nth partial sum of the arithmetic sequence. 1.5, 3.1, 4.7, 6.3, ...., n = 40
a. 1,234 b. 1,308.1 c. 1,308 d. 1,307.9
Mathematics